Sender: <marv@lancaironline.net>
To:  lml@lancaironline.net
Date: Wed, 16 Dec 2009 10:02:31 -0500
Message-ID: <redirect-4023614@logan.com>
Received-SPF: none
 receiver=logan.com; client-ip=68.89.254.162; envelope-from=gwbraly@gami.com
From: George Braly <gwbraly@gami.com>
Subject: RE: [LML] Re: io-550 vs. tsio-550 differences?
Thread-Topic: [LML] Re: io-550 vs. tsio-550 differences?
Thread-Index: Acp9jILKH1TBMsSjSveYnLksBwtrPwAcoLkg
References: <list-4021441@logan.com>
In-Reply-To: <list-4021441@logan.com>
Accept-Language: en-US
Content-Language: en-US
acceptlanguage: en-US
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0

Ah... you could buy a  TN IO-550 engine and have exactly what you want.

It already has all of that stuff you are worried about.

Intercoolers, fuel pump, throttle, GAMIjector(R) fuel injectors, pressurize=
d magnetos, and all the little details.

There are over 900 of them flying, and parts support is superb (ask me how =
I know).=20

They have better intercooler efficiencies than the TCM TSIO-550.=20

They run on significantly less fuel  than TCM TSIO-550s at the same BHp.

They run cooler than a TCM TSIO-550 at the same BHp.

They can be made to run at VERY high horsepower (Sport Class winning BHp le=
vels at Reno if you find someone who really understands the engines and kno=
ws how to get them set up right for that demanding activity.)

And they are able to use an electronic waste gate controller designed for t=
hat engine.

There is a pending STC application with the FAA to authorize their use on c=
ertified aircraft with G100UL fuel.

I know where one complete engine and turbo system is sitting, ready to be i=
nstalled.

 . . . Just a thought.


-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Rick=
 Titsworth
Sent: Tuesday, December 15, 2009 7:41 AM
To: lml@lancaironline.net
Subject: [LML] Re: io-550 vs. tsio-550 differences?

Subtle item, but the sniffle value is also different.
Also obvious, but not mentioned, the intercoolers and associated plumbing.

I can't imaging buying all the individual turbo items at TCM spare part
costs would be any advantage.  For example, the small sniffle value alone i=
s
$1,000.

You'll also need a strategy/approach on the sonic nozzles.  Popular opinion
is that they are needed (required) for the waste gate to function properly
(dynamic response issue) and/or to prevent turbo stalls.  However, that
means you're likely just bleeding some pressurized (boosted) air overboard,
which is essentially wasted fuel economy. =20


-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Matt
losangeles
Sent: Monday, December 14, 2009 10:52 PM
To: lml@lancaironline.net
Subject: [LML] io-550 vs. tsio-550 differences?

Does anybody know the differences between the io-550 vs the tsio-550?

So far this is what I have determined:

io-550 8.5 compression vs tsio-550 7.5 compression
different fuel pump on tsio with aneroid and a reference port
different injectors with reference ports on tsio
tsio has a scavange pump lines and turbos.
different exhaust obviously
tsio has wastegate and fancy expensive stuff to control it
tsio has a different throttle body part#

The reason I ask is I am trying to create a turbo normalized io-550 and I a=
m
not sure if I should get an io-550 core and add the tsio fuel pump,
injectors, scavange pump and turbos.
I could also get a tsio-550 core and put different pistons/cylinders on it.
I suspect the cylinders are the same and the pistons are the only
difference.

I also talked with Continental about this and supposedly the throttle body
is different between the two but they could not say why. Only that they had
different part#'s. They did say that something as simple as a 45 vs. a 90
degree fitting or different color paint can cause a different part# with
their stuff so there is a chance that the throttle body on the two is
mechanically the same. I was wondering if anyone knew the differences
between the two.

Also, which core would likely be the better to get, io-550 or the tsio-550.

This engine is going on a Legacy so I am comparing the io-550G or N vs. the
tsio-550c.

Thanks for any info you might have on this.

Matt


     =20

--
For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html


--
For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html